AT....DE....FRGB........NL........................J0488676EUROPEAN PATENT APPLICATIONA319930623EP91310930.219911127enenen322687/9019901128JP19930623199325199206031992235 5G 06F 15/40 AdeCompact Disc und Verfahren zum Abrufen von darauf gespeicherten DatenenData disc and method for retrieving data stored thereonfrCompact disc et procédé pour le recouvrement des données stockées3SONY CORPORATION00214022N63342A MN7-35, Kitashinagawa 6-chome Shinagawa-kuTokyoJPSasaki, Norimasac/o Sony Corporation, 7-35 Kitashinagawa 6-chomeShinagawa-ku, TokyoJPNicholls, Michael Johnet al00061941J.A. KEMP & CO. 14, South Square Gray's InnLondon WC1R 5LXGBATDEFRGBNL19930623199325

A data disc, on which there are recorded main text data including map data for displaying a picture, map data pointer information as pointer information for the map data, item data for retrieving the main text data, display position data indicating the display position of the item data on a display screen, and address data for reading out data corresponding to different items. The data disc is reproduced so that the map data are read out from the disc at the same time that the item data are displayed in superimposition on the display screen at a position indicated by the display position data of the read-out map data, and output data corresponding to the item data are read out from the main text data on the basis of the address data for unifying the data recording format and retrieval method to enable reciprocal retrieval of the letter data, map data and voice data.